Vertical multistage centrifugal pump
CDM5-22
CDM / CDMF · 50 Hz · also listed as CDMF5-22
CDM5-22 is a vertical multistage centrifugal pump from the CNP CDM / CDMF range (50 Hz). Rated 4 kW, 2.5–8.5 m³/h, head 70–164 m. Net weight 64 kg.
- CDM for non-corrosive, CDMF for lightly corrosive liquids
- Boosting, pressurising, HVAC and water treatment
- Hot-water type available (up to +120 °C)
Performance curve Curve-based
Efficiency, shaft power and NPSHr are not published for this model in the source catalogue.
Head versus flow at 50 Hz, 2900 rpm, clean water. Source: Performance table printed p. 15; dimensions p. 38.
| Flow (m³/h) | Head (m) |
|---|---|
| 0 | 164 |
| 2.5 | 157 |
| 3 | 154 |
| 4 | 146 |
| 5 | 136 |
| 6 | 122 |
| 7 | 103 |
| 8 | 82 |
| 8.5 | 70 |
Dimensions & weight
| Code | Description | Value |
|---|---|---|
| H1 | pump height | 771 mm |
| H2 | motor height | 348 mm |
| H | overall height, flange | 1194 mm |
| H_oth | overall height, other connections | 1169 mm |
| D1 | motor diameter | 215 mm |
| D2 | base / flange width | 151 mm |
| weight_cdmf_kg | Net weight CDMF | 59 mm |
| — | Net weight | 64 kg |